package com.gaga.crm.controller;

import com.gaga.crm.base.config.shiro.MyShiroRealm;
import com.gaga.crm.pojo.SysRight;
import com.gaga.crm.pojo.SysRole;
import com.gaga.crm.service.SysRoleService;
import com.sun.org.apache.xpath.internal.operations.Mod;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.mgt.RealmSecurityManager;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.annotation.Resource;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Controller
@RequestMapping(value = "/role")
public class RoleController {
    @Resource
    private SysRoleService roleService;

    @RequestMapping(value = "/list")
    public String list(@RequestParam(required = false, defaultValue = "") String roleName, @RequestParam(required = false, defaultValue = "1") int pageIndex, Model model) {
        Sort sort = Sort.by(Sort.Direction.ASC, "roleId");
        Pageable pageable = PageRequest.of(pageIndex - 1, 3, sort);
        Page<SysRole> rolePage = roleService.findRole(roleName, pageable);
        model.addAttribute("rolePager", rolePage);
        model.addAttribute("roleName", roleName);//保存查询条件
        return "role/list";
    }

    @RequestMapping(value = "/add")
    public String add(Model model) {
        //查找所有权限,用于指派权限
        List<SysRight> rights = roleService.findAllRights();
        model.addAttribute("rights", rights);
        return "role/add";
    }

    @RequestMapping(value = "/edit")
    public String edit(Long roleId, Model model) {
        SysRole role = roleService.getRole(roleId);
        model.addAttribute("role", role);
        //查找角色拥有的权限
        List<SysRight> roleRights = roleService.findRightsByRole(role);
        model.addAttribute("roleRights", roleRights);
        //查找所有权限,用于指派权限
        List<SysRight> rights = roleService.findAllRights();
        model.addAttribute("rights", rights);
        return "role/edit";
    }

    @RequestMapping(value = "/save")
    public String save(SysRole role, String[] rightCodes) {
        if (rightCodes != null) {
            for (String rightCode : rightCodes) {
                SysRight right = new SysRight();
                right.setRightCode(rightCode);
                role.getRights().add(right); //将关联的权限添加到角色中，用于级联新增关联表的数据
            }
        }
        roleService.saveRole(role);//新增，会级联新增关联表的数据

        //清空权限缓存
        RealmSecurityManager rsm = (RealmSecurityManager) SecurityUtils.getSecurityManager();
        MyShiroRealm realm = (MyShiroRealm) rsm.getRealms().iterator().next();
        realm.clearAllCachedAuthorizationInfo();

        return "redirect:/role/list"; //增删改之后跳转最好使用重定向
    }

    @RequestMapping(value = "/del")
    @ResponseBody //返回 json
    public Map del(Long roleId) {//Ajax 删除
        Map map = new HashMap();
        try {
            roleService.deleteRoleById(roleId);
            map.put("delResult", true);
        } catch (Exception e) {
            e.printStackTrace();
            map.put("delResult", false);
        }
        return map;
    }
}
